518715212 has 6 divisors (see below), whose sum is σ = 907751628. Its totient is φ = 259357604.

The previous prime is 518715167. The next prime is 518715217. The reversal of 518715212 is 212517815.

It is not an unprimeable number, because it can be changed into a prime (518715217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64839398 + ... + 64839405.

It is an arithmetic number, because the mean of its divisors is an integer number (151291938).

Almost surely, 2^518715212 is an apocalyptic number.

It is an amenable number.

518715212 is a deficient number, since it is larger than the sum of its proper divisors (389036416).

518715212 is a wasteful number, since it uses less digits than its factorization.

518715212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129678807 (or 129678805 counting only the distinct ones).

The product of its digits is 5600, while the sum is 32.

The square root of 518715212 is about 22775.3202392414. The cubic root of 518715212 is about 803.4823260128.

The spelling of 518715212 in words is "five hundred eighteen million, seven hundred fifteen thousand, two hundred twelve".